Like others Anthony had a military career; he was Captain general of Luxemburg. In 1532 he became Count of Walhain by imperial decree.
The next year, in 1533, he was elevated: Berghes was created marquessate by imperial decree of Charles VI. He inherited Croy Castle from the family of his wife. He was a diplomate and Chargé d'affaires of the Imperial Court. He was knight of the Golden Fleece.
References
^Louis Galesloot, Inventaire des archives de la cour féodale de Brabant, Volume 1